Lakeland Community College

GEOG 1500

1. Select either tantalite, cassiterite, or wolframite and explain how this mineral meets the four criteria of a mineral. Also indicate if the mineral is a silicate or non-silicate mineral. 2. Using the photographed specimen below (Figure 12.1), answer the following questions: a. What is the general color of the specimen? A light green and clear color b. What is the general shape (square, triangle, etc.) of the specimen? A cube c. Is the specimen shiny like glass, reflective like metal, or greasy like a candle? Shiny like a glass, but more like a beach glass d. If the specimen were dropped, do you think it would shatter or break into a geometric design? I think if it was dropped it would not shatter, but it may crack and chip away. 3. Identify four different variations or types of quartz, as well as their general color. a. Variation 1 (name and color): Amethyst, purple b. Variation 2 (name and color): Rock crystal, clear